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Redmi successfully implements fingerprint scanner under an LCD display

On: March 9, 2020

Redmi has successfully implemented an in-display fingerprint scanner on an LCD display. The tech was previously limited to OLED displays. Redmi’s General Manager Lu Weibing earlier today shared a video on Weibo, showcasing the capabilities of the new technology on a Redmi Note 8 Pro prototype. LCD screens do not allow light to pass through. However, the engineers at Redmi have been able to overcome this problem. According to Weibing, Redmi is already working on mass producing this technology. Very soon the market will see phones with LCD panels sporting in-display fingerprint scanners.

According to Weibing’s official statement, “With the use of infrared high-transmission film materials, the engineers have been able to greatly improve the transmittance of infrared light that could not previously pass through the display”. While the infrared transmitter present on the bottom of the display emits infrared rays, it rebounds on the fingerprint and shines on the sensor for user authentication.

There has been no official confirmation on the Redmi K30 Pro flaunting this technology, since most rumours suggest the device will flaunt an AMOLED display. The Redmi K30 that launched in China in December 2019 features an LCD screen, complete with a side-mounted fingerprint scanner. The K30 Pro is expected to launch later this month with a punch-hole selfie camera and a Snapdragon 865 SoC.

Additional specifications might include a 64-megapixel quad rear camera setup, a 4,700mAh battery with 30W fast charging, and Android 10-based MIUI 11. If the K30 Pro arrives with an AMOLED display, Redmi might introduce the LCD in-display fingerprint tech on future budget models. With Redmi breaking the LCD barrier, other manufacturers are expected to follow suit.

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Anvinraj Valiyathara

Anvin is a self-proclaimed geek who has been writing about smartphones for nearly 10 years. After using phones like the Samsung Galaxy Note, Sony Xperia Mini, Lumia 730, Lumia 950, Honor 7, Xiaomi Redmi Note 3 and Honor 8 Pro to name a few, he is now a happy user of the POCO F1. In his free time, he participates in church activities and likes to travel.